deintl.h

著名的 helix realplayer 基于手机 symbian 系统的 播放器全套源代码

/* ***** BEGIN LICENSE BLOCK ***** 
 * Version: RCSL 1.0/RPSL 1.0 
 *  
 * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved. 
 *      
 * The contents of this file, and the files included with this file, are 
 * subject to the current version of the RealNetworks Public Source License 
 * Version 1.0 (the "RPSL") available at 
 * http://www.helixcommunity.org/content/rpsl unless you have licensed 
 * the file under the RealNetworks Community Source License Version 1.0 
 * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl, 
 * in which case the RCSL will apply. You may also obtain the license terms 
 * directly from RealNetworks.  You may not use this file except in 
 * compliance with the RPSL or, if you have a valid RCSL with RealNetworks 
 * applicable to this file, the RCSL.  Please see the applicable RPSL or 
 * RCSL for the rights, obligations and limitations governing use of the 
 * contents of the file.  
 *  
 * This file is part of the Helix DNA Technology. RealNetworks is the 
 * developer of the Original Code and owns the copyrights in the portions 
 * it created. 
 *  
 * This file, and the files included with this file, is distributed and made 
 * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 
 * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES, 
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS 
 * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
 * 
 * Technology Compatibility Kit Test Suite(s) Location: 
 *    http://www.helixcommunity.org/content/tck 
 * 
 * Contributor(s): 
 *  
 * ***** END LICENSE BLOCK ***** */ 


#ifndef DEINTL_H__
#define DEINTL_H__

#include "hxtypes.h"

// color formats
#define INTL_FORMAT_UNDEF			0
#define INTL_FORMAT_RGB24			1
#define INTL_FORMAT_I420			2

// Deinterlace mode
#define INTL_MODE int

#define INTL_MODE_NONE				0
#define INTL_MODE_ODD				1
#define INTL_MODE_EVEN				2
#define INTL_MODE_SMART				3
#define INTL_MODE_FLIPFLOP			4
#define INTL_MODE_SMART_AUTO		5

// Deinterlace detection results
#define INTL_STRONG_INTERLACE		(2)
#define INTL_WEAK_INTERLACE			(1)
#define INTL_NO_DETECTION			(0)
#define INTL_WEAK_PROGRESSIVE		(-1)
#define INTL_STRONG_PROGRESSIVE		(-2)

// line removal modes
#define INTL_LINE_REMOVE_MEDIAN		0
#define INTL_LINE_REMOVE_AVG		1
#define INTL_LINE_REMOVE_DOWN		2
#define INTL_LINE_REMOVE_UP			3

// misc
#ifdef TRUE
#undef TRUE
#endif

#define TRUE 1

#ifdef FALSE
#undef FALSE
#endif

#define FALSE 0

// deinterlace filter state
typedef struct tag_T_DEINTL_STATE
{
	int				pels;
	int				lines;
	int				pitch;
	int				format;
	unsigned int	detection_measure;
	unsigned int	commit_deinterlace;
} T_DEINTL_STATE;

// prototypes
int
InitDeinterlace(
	int pels, int lines, int pitch, 
	int format, 
	INTL_MODE mode, 
	T_DEINTL_STATE **state);

int
Deinterlace(
	unsigned char *frame, 
	unsigned char *prev_frame, 
	int pels, int lines, int pitch,
	int format,
	int first_frame, 
	INTL_MODE mode,
	T_DEINTL_STATE *state);

BOOL
IsContentInterlaced(T_DEINTL_STATE *state);

void
ResetDeinterlace (T_DEINTL_STATE *state);

void
FreeDeinterlace(T_DEINTL_STATE **state);

#ifdef TIME_DEINTERLACE

#include <windows.h>

// Macros for timing

// USE_CODEC_TIMER

#if (defined _WIN32)
#define USE_CODEC_TIMER \
		LARGE_INTEGER tick1,tick2,freq; \
		QueryPerformanceFrequency(&freq)
#endif

#if (defined _MACINTOSH)
#define USE_CODEC_TIMER UnsignedWide tick1,tick2
#endif

#ifndef USE_CODEC_TIMER
#define USE_CODEC_TIMER int tick1,tick2
#endif

// START_CODEC_TIMER

#if (defined _WIN32)
#define START_CODEC_TIMER QueryPerformanceCounter(&tick1)
#endif

#if (defined _MACINTOSH)
#define START_CODEC_TIMER Microseconds(&tick1)
#endif

#ifndef START_CODEC_TIMER
#define START_CODEC_TIMER tick1 = HX_GET_TICKCOUNT()
#endif

// STOP_CODEC_TIMER

#if (defined _WIN32)
#define STOP_CODEC_TIMER(d) \
		QueryPerformanceCounter(&tick2); \
		(d) = (1000.*((tick2.LowPart + 4294967296.0*tick2.HighPart)-(tick1.LowPart + 4294967296.0*tick1.HighPart))/ \
			(freq.LowPart + 4294967296.0*freq.HighPart))
#endif

#if (defined _MACINTOSH)
#define STOP_CODEC_TIMER(d) \
		Microseconds(&tick2); \
		(d) = ((double)((tick2.lo + 4294967296.0*tick2.hi)-(tick1.lo + 4294967296.0*tick1.hi))/1000)
#endif

#ifndef STOP_CODEC_TIMER
#define STOP_CODEC_TIMER(d) \
		tick2 = HX_GET_TICKCOUNT(); \
		(d) = tick2-tick1
#endif


#endif //TIME_DEINTERLACE

#endif